GZDoom Builder

GZDoom Builder (or GZDB for short) is a level editor for the Doom engine games specifically aimed at the ZDoom and GZDoom source ports. It was created by MaxED and is a of Doom Builder 2 by Pascal vd Heiden (CodeImp), which was discontinued in June 2012. The first version was released on March 30, 2012. Development of GZDoom Builder was discontinued in 2017.

History

 * v1.00 was released on March 30, 2012.
 * v1.01 was released on April 16, 2012.
 * v1.02 was released on April 18, 2012.
 * v1.03 was released on April 24, 2012.
 * v1.04 was released on April 25, 2012.
 * v1.05 was released on May 11, 2012.
 * v1.06 was released on May 20, 2012.
 * v1.07 was released on June 1, 2012.
 * v1.08 was released on June 19, 2012.
 * v1.09 was released on June 26, 2012.
 * v1.10 was released on July 3, 2012.
 * v1.11 was released on July 10, 2012.
 * v1.12 was released on July 24, 2012.
 * v1.13 was released on October 3, 2012.
 * v1.14 was released on January 14, 2013.
 * Version number changed from 1.14 to 2.3 on July 14, 2015.
 * v2.3 r2791 was released on January 9, 2017. It is the last version of GZDoom Builder, after which it was discontinued.
 * On May 16, 2018, MaxED archived the GZDB repository on GitHub. It is now read-only.

Fork
After the development of GZDB was discontinued in January 2017, ZZYZX created a fork of it called GZDoom Builder-Bugfix (or GZDB-Bugfix for short). This fork was maintained for almost three years until in December 2019 it evolved into Ultimate Doom Builder.